﻿<blockquote class="extDef">
NOTE&nbsp; Definition according to ISO/CD 10303-41:1992<br>
A named unit is a unit quantity associated with the word, or group of words, by which the unit is identified.</blockquote>

<blockquote class="note">
NOTE&nbsp; Corresponding ISO 10303 name: named_unit, please refer to ISO/IS 10303-41 for the final definition of the formal standard.
</blockquote>

<blockquote class="history">
HISTORY&nbsp; New type in IFC1.5.1.
</blockquote>

